Roadrunner is the service provider over the internet which has been recently changed in to the Spectrum. This is the communication service provider and Roadrunner is just a brand name now. This has the services of Cable TV, Internet and other communication services. Roadrunner mail is now also known as Spectrum webmail.

First, you need to know whatever SMTP and IMAP are. SMTP means a server that mailing facility has and it permits you to send emails from your Roadrunner mail / Spectrum mail account to other email accounts like Outlook or Gmail and also other email providers/programs.

And IMAP is exactly vice versa of SMTP because it allows you to check your messages and mails in your Roadrunner/ Spectrum account thought the mails that has been sent to your other email accounts provided by other email providers/programs.